Ansible/playbook/linux/elastic/config-elasticsearch.yml

# This will work on a new install.
# If any changes are needed to the cluster name on an existing install add another function
- name: Config - cluster.name 'logging-dev'
  become: true
  lineinfile:
          path: /etc/elasticsearch/elasticsearch.yml
          regex: '^cluster.name'
          insertafter: '#cluster.name: my-application'
          line: 'cluster.name: logging-dev'
          backup: yes

# We define the name of the host we are working on
- name: Config - node.name
  become: true
  lineinfile:
          path: /etc/elasticsearch/elasticsearch.yml
          regex: '^node.name'
          insertafter: '#node.name: node-1'
          line: "node.name: dev-data-01"

- name: Config - network.host
  become: true
  lineinfile:
          path: /etc/elasticsearch/elasticsearch.yml
          regexp: 'network.host:'
          insertafter: '#network.host:'
          line: 'network.host: {{ ansible_eno1.ipv4.address }}'

- name: Config - transport.host
  become: true
  lineinfile:
          path: /etc/elasticsearch/elasticsearch.yml
          regexp: 'transort.host:'
          #insertafter: 'http.port: 9200'
          line: 'transport.host: localhost'
          state: present
          #backrefs: yes

- name: Config - transport.tcp.port
  become: true
  lineinfile:
          path: /etc/elasticsearch/elasticsearch.yml
          regexp: 'transport.tcp.port:'
          #insertafter: 'transport.host: localhost'
          line: 'transport.tcp.port: 9300'
          state: present
          backrefs: yes

- name: Config - node.master
  become: true
  lineinfile:
          path: /etc/elasticsearch/elasticsearch.yml
          regexp: 'node.master:'
          insertafter: 'node.name:'
          line: 'node.master: true'
          state: present
          backrefs: yes

- name: Config - node.data
  become: true
  lineinfile:
          path: /etc/elasticsearch/elasticsearch.yml
          regexp: 'node.data:'
          insertafter: 'node.master:'
          line: 'node.data: true'
          state: present
          backrefs: yes

# Allow 9200 so we can access it over the network
- name: Allow port 9200 though UFW
  become: true
  ufw:
          rule: allow
          port: 9200
          #name: ElasticSearch

- name: Allow port 9300 though UFW
  become: true
  ufw:
          rule: allow
          port: 9300

- name: Service reload daemon
  become: true
  systemd:
          daemon_reload: yes

- name: systemd - enable ElasticSearch on startup
  become: true
  systemd:
          name: elasticsearch
          enabled: yes

- name: systemd - restart ElasticSearch service
  become: true
  systemd:
          name: elasticsearch
          state: restarted